How many chill hours does 93644 get?

93644 averages 2022 chill hours per winter, ranging from 1750 to 2196 across the last 10 years.

What hardiness zone is 93644?

93644 is in USDA hardiness zone 9a.

Location almanac

The short answer

93644 averages 2,022 chill hours per winter (1,750–2,196 across 10 years) in USDA zone 9a.

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 93644’s chill hours and zone:

Chill and zone requirements are comfortably met in 93644.

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How many chill hours does 93644 get?: 93644 averages 2022 chill hours per winter, ranging from 1750 to 2196 across the last 10 years.
What hardiness zone is 93644?: 93644 is in USDA hardiness zone 9a.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026